/* Base Reset & Typography */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #0a1628;
}

::-webkit-scrollbar-thumb {
    background: #d4a853;
    border-radius: 3px;
}

/* Navbar Transitions */
#navbar {
    transition: background-color 0.5s ease, padding 0.5s ease, backdrop-filter 0.5s ease;
}

#navbar.scrolled {
    background-color: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(212, 168, 83, 0.1);
}

#navbar.scrolled .nav-logo-text {
    color: #ffffff;
}

#navbar.scrolled .nav-logo-sub {
    color: rgba(255, 255, 255, 0.4);
}

#navbar.scrolled .nav-link {
    color: rgba(255, 255, 255, 0.6);
}

#navbar.scrolled .nav-menu-btn span {
    background-color: #ffffff;
}

#navbar.scrolled .nav-logo-fill {
    fill: #d4a853;
}

/* Scroll Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Service Card Stagger */
.service-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.service-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Scroll Line Animation */
@keyframes scrollLine {
    0% {
        height: 0;
        opacity: 0;
    }
    50% {
        height: 48px;
        opacity: 1;
    }
    100% {
        height: 48px;
        opacity: 0;
    }
}

.animate-scroll-line {
    animation: scrollLine 2s ease-in-out infinite;
}

/* Mobile Menu */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.close {
    opacity: 0;
    pointer-events: none;
}

.mobile-nav-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

#mobile-menu.open .mobile-nav-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.open .mobile-nav-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-nav-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-nav-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-nav-link:nth-child(4) { transition-delay: 0.25s; }

/* Mobile Menu Button */
.mobile-menu-open .nav-menu-btn span:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

.mobile-menu-open .nav-menu-btn span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-open .nav-menu-btn span:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(3px, -3px);
}

/* Service Icon Color */
.service-icon {
    color: #d4a853;
    transition: color 0.5s ease;
}

.service-card:hover .service-icon {
    color: #d4a853;
}

/* Form Focus Styles */
input:focus,
textarea:focus,
select:focus {
    border-bottom-color: #d4a853 !important;
}

/* Selection Color */
::selection {
    background-color: rgba(212, 168, 83, 0.3);
    color: #0a1628;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .reveal,
    .service-card {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .animate-scroll-line {
        animation: none;
        height: 48px;
        opacity: 1;
    }
    
    .service-card group-hover\:scale-105:hover img {
        transform: none;
    }
}

/* Image Hover */
.group:hover img {
    transform: scale(1.05);
}